Monthly Archives: November 2010

Each time a ball bounces, it loses e.g. 40% of its vertical kinetic energy.  Can you describe what happens to the ball? (Clarification for the pedantic: the ground is flat, and each part of the ball’s path is a parabolic … Continue reading →

Governments work with cellular operators to install a surveillance layer, which tracks and records the exact location and movement of all users’ cell phones, all at once, even when they are idle. http://www.trueposition.com/web/guest/trueposition-location-intelligence The TruePosition Location Platform (TPLP) is used … Continue reading →